Elevate the performance of your 2015-2021 Subaru WRX to exhilarating heights with our premium selection of high-quality engine parts. Unleash the full potential of your vehicle's powerplant by exploring our meticulously curated range of performance-enhancing components, designed to optimize every aspect of your driving experience. From turbochargers that deliver impressive horsepower gains to precision-engineered air intake systems that enhance airflow and responsiveness, our collection offers a comprehensive array of aftermarket upgrades to suit your specific performance goals. Our step-by-step installation tips ensure a seamless integration process, whether you're a seasoned auto enthusiast or a first-time DIYer, while our maintenance insights empower you to keep your upgraded engine running smoothly for years to come. Transform your Subaru WRX into a true powerhouse on the road with our premium engine parts, carefully selected to deliver unparalleled performance, efficiency, and driving satisfaction. Unlock the true potential of your WRX today and experience a driving experience like no other.
2015-2021 Subaru WRX Engine Parts
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![Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat Back Exhaust w/ Stainless Tip | RK-C1076S-01](//jdmuscleusa.com/cdn/shop/products/xjv9kuvsewvjquq0j2hw.jpg?v=1745512014&width=220)
![Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat Back Exhaust w/ Stainless Tip | RK-C1076S-01](//jdmuscleusa.com/cdn/shop/files/remark-r1-spec-single-exit-cat-back-exhaust-w-stainless-tip-2015-2021-wrx-2015-2021-sti-rk-c1076s-01-593593_530x530_562c7886-86cb-4330-be8c-db08e549fa87.jpg?v=1745512014&width=220)
In StockRemark R1-Spec Single-Exit Cat Back Exhaust w/ Stainless Tip
Fits: 15-21 WRX/STI
Only 10 leftRegular price $995.00Sale price $995.00 Regular priceUnit price per$995.00 -
Up to $51 off
In StockPLM Axle-Back Exhaust Muffler Deletes V2
Fits: 15-21 WRX/STI
Only 16 leftRegular price From $299.00Sale price From $299.00 Regular priceUnit price per$350.00 -
![ETS [15-21 WRX] Front Mount Intercooler](//jdmuscleusa.com/cdn/shop/products/ets-ets-200-40-ic-001-200-40-icp-001-3-0-stock-no-stencil-12005216124998.jpg?v=1616784679&width=220)
ETS Front Mount Intercooler
Fits: 15-21 WRX
Regular price From $759.00Sale price From $759.00 Regular priceUnit price per$759.00 -
![Grimmspeed [15-21 WRX] StealthBox Cold Air Intake Black / Red | 060060](//jdmuscleusa.com/cdn/shop/products/grimmspeed-stealthbox-cold-air-intake-black-subaru-wrx-2015-2020-060060-cold-air-intakes-grimmspeed-grm060060.jpg?v=1614517890&width=220)
![Grimmspeed [15-21 WRX] StealthBox Cold Air Intake Black / Red | 060060](//jdmuscleusa.com/cdn/shop/products/grm060060.jpg?v=1667291499&width=220)
Grimmspeed StealthBox Cold Air Intake Black / Red | 060060
Fits: 15-21 WRX
Regular price $558.00Sale price $558.00 Regular priceUnit price per$558.00 -
![Invidia [15-21 WRX/STI] Racing Series Cat Back Exhaust Titanium Tip | HS15SW4GST](//jdmuscleusa.com/cdn/shop/products/invidia-n1-titanium-tip-racing-cat-back-exhaust-single-subaru-wrx-sti-2015-2019-hs15sw4gst-cat-back-exhaust-system-invidia-invhs15sw4gst.jpg?v=1614516922&width=220)
![Invidia [15-21 WRX/STI] Racing Series Cat Back Exhaust Titanium Tip | HS15SW4GST](//jdmuscleusa.com/cdn/shop/products/invidia-n1-titanium-tip-racing-cat-back-exhaust-single-subaru-wrx-sti-2015-2019-hs15sw4gst-cat-back-exhaust-system-invidia-invhs15sw4gst-2.jpg?v=1614675218&width=220)
Up to $434.20 off
In StockInvidia Racing Series Cat Back Exhaust Titanium Tip
Fits: 15-21 WRX/STI
Only 6 leftRegular price $956.00Sale price $956.00 Regular priceUnit price per$1,390.20 -
Up to $30 off
In StockInvidia 3in Downpipe to 2.5in Exhaust Adapter
Fits: 08-21 WRX/STI, 04-10 Forester
Regular price $68.00Sale price $68.00 Regular priceUnit price per$98.00 -
IAG Air / Oil Separator | AOS
Fits: 08-14 WRX & 08-21 STI
Regular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-5750979.jpg?v=1770336558&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](//jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-9693839.jpg?v=1770336559&width=220)
In StockCOBB Top Feed 1050X Fuel Injectors
Fits: 02-14 WRX, 07-21 STI, 07-12 Legacy GT, 06-13 Forester XT
Regular price $625.00Sale price $625.00 Regular priceUnit price per$625.00 -
![PLM [08 - 14 WRX, 08 - 21 STI] Power Driven WRX & STI Downpipe - JDMuscleFront Pipes and Downpipes / J - PipesPLM-SUB-DP-0814-CATHigh Flow Cat](//jdmuscleusa.com/cdn/shop/products/plm-08-14-wrx-08-21-sti-power-driven-wrx-sti-downpipe-4751653.jpg?v=1770336633&width=220)
![PLM [08 - 14 WRX, 08 - 21 STI] Power Driven WRX & STI Downpipe - JDMuscleFront Pipes and Downpipes / J - PipesPLM-SUB-DP-0814-CATHigh Flow Cat](//jdmuscleusa.com/cdn/shop/products/plm-08-14-wrx-08-21-sti-power-driven-wrx-sti-downpipe-3448305.jpg?v=1770336633&width=220)
Up to $220 offPLM Power Driven WRX & STI Downpipe
Fits: 08-14 WRX, 08-21 STI
Regular price $575.00Sale price $575.00 Regular priceUnit price per$795.00 -
![Turbosmart [02 - 07 WRX, 04 - 21 STI] 34mm Blow Off Valve Plug | TS - 0205 - 2016 - JDMuscleBlow Off ValvesTBSTS-0205-2016](//jdmuscleusa.com/cdn/shop/products/turbosmart-02-07-wrx-04-21-sti-34mm-blow-off-valve-plug-ts-0205-2016-4504580.jpg?v=1770334633&width=220)
Up to $1.60 off
In StockTurbosmart 34mm Blow Off Valve Plug
Fits: 02-07 WRX, 04-21 STI
Only 2 leftRegular price $14.39Sale price $14.39 Regular priceUnit price per$15.99 -
In StockGates Micro-V Belt Alternator & Power Steering Belt
Fits: 02-14 WRX, 04-21 STI
Only 6 leftRegular price $29.00Sale price $29.00 Regular priceUnit price per$29.00 -
![GrimmSpeed [15 - 21 WRX] V2 Cast Aluminum Turbo Inlet | grm125034 - JDMuscleTurbo Inlet Hoses and Pipesgrm125034](//jdmuscleusa.com/cdn/shop/files/grimmspeed-15-21-wrx-v2-cast-aluminum-turbo-inlet-grm125034-6794076.webp?v=1770325153&width=220)
![GrimmSpeed [15 - 21 WRX] V2 Cast Aluminum Turbo Inlet | grm125034 - JDMuscleTurbo Inlet Hoses and Pipesgrm125034](//jdmuscleusa.com/cdn/shop/files/grimmspeed-15-21-wrx-v2-cast-aluminum-turbo-inlet-grm125034-7971712.webp?v=1770325154&width=220)
GrimmSpeed V2 Cast Aluminum Turbo Inlet
Fits: 15-21 WRX
Regular price $267.00Sale price $267.00 Regular priceUnit price per$267.00 -
![Perrin [15 - 21 WRX/STI] Fender Shroud Set - Hyper Pink | PSP - ENG - 550HP - JDMuscleFender ShroudperPSP-ENG-550HP](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrxsti-fender-shroud-set-hyper-pink-psp-eng-550hp-4394355.jpg?v=1770330555&width=220)
![Perrin [15 - 21 WRX/STI] Fender Shroud Set - Hyper Pink | PSP - ENG - 550HP - JDMuscleFender ShroudperPSP-ENG-550HP](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrxsti-fender-shroud-set-hyper-pink-psp-eng-550hp-3028862.jpg?v=1770330556&width=220)
Up to $46 off
In StockPerrin Fender Shroud Set - Hyper Pink | PSP-ENG-550HP
Fits: 15-21 WRX/STI
Only 3 leftRegular price $138.00Sale price $138.00 Regular priceUnit price per$184.00 -
![GrimmSpeed [15-21 WRX/STI] Bumper Bar Black Powder | 090261 - JDMuscleIntercooler Installation Kitsgrm090261](//jdmuscleusa.com/cdn/shop/products/grimmspeed-15-21-wrxsti-bumper-bar-black-powder-090261-7439986.jpg?v=1783897824&width=220)
![GrimmSpeed [15-21 WRX/STI] Bumper Bar Black Powder | 090261 - JDMuscleIntercooler Installation Kitsgrm090261](//jdmuscleusa.com/cdn/shop/products/grimmspeed-15-21-wrxsti-bumper-bar-black-powder-090261-5782082.jpg?v=1783897824&width=220)
In StockGrimmSpeed Bumper Bar Black Powder | 090261
Fits: 15-21 WRX/STI
Only 8 leftRegular price $285.00Sale price $285.00 Regular priceUnit price per$285.00 -
In StockRemark R1-Spec Catback Exhaust Titanium Muffler Section w/ Burnt Tip | RK-C1076S-01T
Fits: 15-21 WRX/STI
Only 1 leftRegular price $1,095.00Sale price $1,095.00 Regular priceUnit price per$1,095.00 -
![Seibon Carbon Fiber Hood/Trunk Prop w/ Seibon Logo [Universal] | HOODPROP-S](//jdmuscleusa.com/cdn/shop/products/seibon-carbon-fiber-hoodtrunk-prop-w-seibon-logo-universal-hoodprop-s-hood-dampers-seibon-seihoodprop-s.jpg?v=1614519856&width=220)
![Seibon Carbon Fiber Hood/Trunk Prop w/ Seibon Logo [Universal] | HOODPROP-S](//jdmuscleusa.com/cdn/shop/files/Siebon_Authorized_Dealer_963508de-6254-4ebb-b06f-da40665ca67a.png?v=1738252169&width=220)
Up to $13 off
In StockSeibon Carbon Fiber Hood/Trunk Prop w/ Seibon Logo
Fits: Universal
Regular price $117.00Sale price $117.00 Regular priceUnit price per$130.00
![Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat Back Exhaust w/ Stainless Tip | RK-C1076S-01](http://jdmuscleusa.com/cdn/shop/products/xjv9kuvsewvjquq0j2hw.jpg?v=1745512014&width=220)
![Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat Back Exhaust w/ Stainless Tip | RK-C1076S-01](http://jdmuscleusa.com/cdn/shop/files/remark-r1-spec-single-exit-cat-back-exhaust-w-stainless-tip-2015-2021-wrx-2015-2021-sti-rk-c1076s-01-593593_530x530_562c7886-86cb-4330-be8c-db08e549fa87.jpg?v=1745512014&width=220)
![ETS [15-21 WRX] Front Mount Intercooler](http://jdmuscleusa.com/cdn/shop/products/ets-ets-200-40-ic-001-200-40-icp-001-3-0-stock-no-stencil-12005216124998.jpg?v=1616784679&width=220)
![Grimmspeed [15-21 WRX] StealthBox Cold Air Intake Black / Red | 060060](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-stealthbox-cold-air-intake-black-subaru-wrx-2015-2020-060060-cold-air-intakes-grimmspeed-grm060060.jpg?v=1614517890&width=220)
![Grimmspeed [15-21 WRX] StealthBox Cold Air Intake Black / Red | 060060](http://jdmuscleusa.com/cdn/shop/products/grm060060.jpg?v=1667291499&width=220)
![Invidia [15-21 WRX/STI] Racing Series Cat Back Exhaust Titanium Tip | HS15SW4GST](http://jdmuscleusa.com/cdn/shop/products/invidia-n1-titanium-tip-racing-cat-back-exhaust-single-subaru-wrx-sti-2015-2019-hs15sw4gst-cat-back-exhaust-system-invidia-invhs15sw4gst.jpg?v=1614516922&width=220)
![Invidia [15-21 WRX/STI] Racing Series Cat Back Exhaust Titanium Tip | HS15SW4GST](http://jdmuscleusa.com/cdn/shop/products/invidia-n1-titanium-tip-racing-cat-back-exhaust-single-subaru-wrx-sti-2015-2019-hs15sw4gst-cat-back-exhaust-system-invidia-invhs15sw4gst-2.jpg?v=1614675218&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-5750979.jpg?v=1770336558&width=220)
![COBB [02 - 14 WRX, 07 - 21 STI, 07 - 12 Legacy GT, 06 - 13 Forester XT] Top Feed 1050X Fuel Injectors | 312150 - JDMuscleFuel Injectors and Accessoriescobb312150](http://jdmuscleusa.com/cdn/shop/products/cobb-02-14-wrx-07-21-sti-07-12-legacy-gt-06-13-forester-xt-top-feed-1050x-fuel-injectors-312150-9693839.jpg?v=1770336559&width=220)
![PLM [08 - 14 WRX, 08 - 21 STI] Power Driven WRX & STI Downpipe - JDMuscleFront Pipes and Downpipes / J - PipesPLM-SUB-DP-0814-CATHigh Flow Cat](http://jdmuscleusa.com/cdn/shop/products/plm-08-14-wrx-08-21-sti-power-driven-wrx-sti-downpipe-4751653.jpg?v=1770336633&width=220)
![PLM [08 - 14 WRX, 08 - 21 STI] Power Driven WRX & STI Downpipe - JDMuscleFront Pipes and Downpipes / J - PipesPLM-SUB-DP-0814-CATHigh Flow Cat](http://jdmuscleusa.com/cdn/shop/products/plm-08-14-wrx-08-21-sti-power-driven-wrx-sti-downpipe-3448305.jpg?v=1770336633&width=220)
![Turbosmart [02 - 07 WRX, 04 - 21 STI] 34mm Blow Off Valve Plug | TS - 0205 - 2016 - JDMuscleBlow Off ValvesTBSTS-0205-2016](http://jdmuscleusa.com/cdn/shop/products/turbosmart-02-07-wrx-04-21-sti-34mm-blow-off-valve-plug-ts-0205-2016-4504580.jpg?v=1770334633&width=220)
![GrimmSpeed [15 - 21 WRX] V2 Cast Aluminum Turbo Inlet | grm125034 - JDMuscleTurbo Inlet Hoses and Pipesgrm125034](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-15-21-wrx-v2-cast-aluminum-turbo-inlet-grm125034-6794076.webp?v=1770325153&width=220)
![GrimmSpeed [15 - 21 WRX] V2 Cast Aluminum Turbo Inlet | grm125034 - JDMuscleTurbo Inlet Hoses and Pipesgrm125034](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-15-21-wrx-v2-cast-aluminum-turbo-inlet-grm125034-7971712.webp?v=1770325154&width=220)
![Perrin [15 - 21 WRX/STI] Fender Shroud Set - Hyper Pink | PSP - ENG - 550HP - JDMuscleFender ShroudperPSP-ENG-550HP](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrxsti-fender-shroud-set-hyper-pink-psp-eng-550hp-4394355.jpg?v=1770330555&width=220)
![Perrin [15 - 21 WRX/STI] Fender Shroud Set - Hyper Pink | PSP - ENG - 550HP - JDMuscleFender ShroudperPSP-ENG-550HP](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrxsti-fender-shroud-set-hyper-pink-psp-eng-550hp-3028862.jpg?v=1770330556&width=220)
![GrimmSpeed [15-21 WRX/STI] Bumper Bar Black Powder | 090261 - JDMuscleIntercooler Installation Kitsgrm090261](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-15-21-wrxsti-bumper-bar-black-powder-090261-7439986.jpg?v=1783897824&width=220)
![GrimmSpeed [15-21 WRX/STI] Bumper Bar Black Powder | 090261 - JDMuscleIntercooler Installation Kitsgrm090261](http://jdmuscleusa.com/cdn/shop/products/grimmspeed-15-21-wrxsti-bumper-bar-black-powder-090261-5782082.jpg?v=1783897824&width=220)
![Seibon Carbon Fiber Hood/Trunk Prop w/ Seibon Logo [Universal] | HOODPROP-S](http://jdmuscleusa.com/cdn/shop/products/seibon-carbon-fiber-hoodtrunk-prop-w-seibon-logo-universal-hoodprop-s-hood-dampers-seibon-seihoodprop-s.jpg?v=1614519856&width=220){kind=logo}
![Seibon Carbon Fiber Hood/Trunk Prop w/ Seibon Logo [Universal] | HOODPROP-S](http://jdmuscleusa.com/cdn/shop/files/Siebon_Authorized_Dealer_963508de-6254-4ebb-b06f-da40665ca67a.png?v=1738252169&width=220)